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172750517044 = 22721931248271
BaseRepresentation
bin1010000011100010111…
…0111011001100110100
3121111220021120112011221
42200320232323030310
510312243113021134
6211205511040124
715323630111200
oct2407056731464
9544807515157
10172750517044
1167299188356
1229591970044
13133a0a4a371
14850b099b00
15476105d5b4
hex2838bbb334

172750517044 has 108 divisors (see below), whose sum is σ = 382514086080. Its totient is φ = 67875343200.

The previous prime is 172750517033. The next prime is 172750517083. The reversal of 172750517044 is 440715057271.

172750517044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1727505170442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3554629 + ... + 3602899.

Almost surely, 2172750517044 is an apocalyptic number.

172750517044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172750517044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191257043040).

172750517044 is an abundant number, since it is smaller than the sum of its proper divisors (209763569036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172750517044 is a wasteful number, since it uses less digits than its factorization.

172750517044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48370 (or 48330 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 43.

The spelling of 172750517044 in words is "one hundred seventy-two billion, seven hundred fifty million, five hundred seventeen thousand, forty-four".

Divisors: 1 2 4 7 14 19 28 31 38 49 62 76 98 124 133 196 217 266 434 532 589 868 931 961 1178 1519 1862 1922 2356 3038 3724 3844 4123 6076 6727 8246 13454 16492 18259 26908 28861 36518 47089 48271 57722 73036 94178 96542 115444 127813 188356 193084 255626 337897 511252 675794 894691 917149 1351588 1496401 1789382 1834298 2365279 2992802 3578764 3668596 4730558 5985604 6420043 9461116 10474807 12840086 20949614 25680172 28431619 41899228 44940301 46388431 56863238 73323649 89880602 92776862 113726476 146647298 179761204 185553724 199021333 293294596 324719017 398042666 649438034 796085332 881380189 1298876068 1393149331 1762760378 2273033119 2786298662 3525520756 4546066238 5572597324 6169661323 9092132476 12339322646 24678645292 43187629261 86375258522 172750517044